Bioactivator insecticides for Coffeea arabica L. and toxic to Leucoptera coffeella (Lepidoptera: Lyonetiidae)

IF 2.5 2区 农林科学 Q1 AGRONOMY Crop Protection Pub Date : 2024-09-10 DOI:10.1016/j.cropro.2024.106946
Carlos Gustavo da Cruz , Adalberto Filipe Macedo , Mariana Martins Fernandes Oliveira , Maria Gabrielle da Silva , Samuel Rodrigues Amaral , Wellington Luiz de Almeida , Flávio Lemes Fernandes
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Abstract

The insecticides used on coffee plants can function as bioactivators for this species and be utilized to manage Leucoptera coffeella. Thus, the objectives were to verify the bioactivation action on the morphophysiology of the coffee plant and its toxicity to L. coffeella. The treatments were dinotefuran + flutriafol 450 SC, dinotefuran + pyriproxyfen (100 + 25) EW, imidacloprid 700 WG, flupyradifurone 200 SL, thiamethoxam 250 WG, thiamethoxam + cyproconazole 600 WG, and control (water). The physiology of coffee seedlings was evaluated at 10, 20, and 40 days after application (DAA) of the insecticides. Analyses of biometric variables for aerial and root development of seedlings and survival of L. coffeella larvae were conducted at 10, 20, 40, 60, and 80 DAA. The insecticides did not alter the physiological parameters evaluated in the seedlings at 10, 20, and 40 DAA. At 60 and 80 DAA, height and leaf area were lower in seedlings treated with imidacloprid. The dry matter of the stem in seedlings treated with imidacloprid was lower than in other treatments. The volume and area of the roots of the seedlings at 80 DAA were higher in those that received the insecticide thiamethoxam 250 WG. All insecticides were toxic to L. coffeella larvae at all evaluation dates. The insecticides did not have bioactivator properties for aerial development. Thiamethoxam 250 WG has a bioactivator effect on root volume and area. The insecticides protect seedlings from infestation up to 80 DAA.

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用于阿拉伯咖啡(Coffeea arabica L.)并对咖啡褐翅虫(鳞翅目:Lyonetiidae)具有毒性的生物活化剂杀虫剂
咖啡植物上使用的杀虫剂可作为咖啡褐飞虱的生物活化剂,用于控制咖啡褐飞虱。因此,我们的目标是验证生物活化剂对咖啡植物形态生理学的作用及其对咖啡褐飞虱的毒性。处理方法为:克百威+氟唑醇 450 SC、克百威+吡丙醚(100 + 25)EW、吡虫啉 700 WG、氟吡呋酮 200 SL、噻虫嗪 250 WG、噻虫嗪+环丙唑醇 600 WG 和对照(水)。在施用杀虫剂后 10 天、20 天和 40 天(DAA),对咖啡幼苗的生理状况进行了评估。在施药 10、20、40、60 和 80 DAA 时,对幼苗的气生和根系发育以及咖啡蝇幼虫存活率的生物计量变量进行了分析。在 10、20 和 40 DAA 期,杀虫剂没有改变秧苗的生理参数。在 60 和 80 DAA,使用吡虫啉处理的秧苗的高度和叶面积较低。使用吡虫啉处理的秧苗的茎干物质低于其他处理。在 80 DAA 时,接受杀虫剂噻虫嗪 250 WG 处理的秧苗根的体积和面积更大。在所有评估日期,所有杀虫剂都对咖啡蝇幼虫具有毒性。杀虫剂对空中发育没有生物活化特性。噻虫嗪 250 WG 对根系体积和面积具有生物活化剂作用。杀虫剂可在 80 DAA 之前保护幼苗免受虫害。
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来源期刊
Crop Protection
Crop Protection 农林科学-农艺学
CiteScore
6.10
自引率
3.60%
发文量
200
审稿时长
29 days
期刊介绍: The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.
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